1 Piece OPA627 X2 Turn to Dual Op Amp OPA627 Single Op Amp to Dual Op Amp Module SMD to DIP. Brand: Unbranded. Sold by: GlowGrove... OPA627AU SMD single op amp, exquisite adapter board, fully gold-plated pins. [Usage] Operational amplifier OPA627: adopts field effect tube input mode, suitable for front and rear amplifiers, output buffers, voltage amplifiers, headphone amplifiers, etc Audio Amplifier Upgrade Module 2Piece OPA627 X2 Turn To Dual Op Amp OPA627 Single Op Amp To Dual Op Amp Module SMD To DIP - Walmart Supplies Hifi Sound Op Amp Replacement It cannot be inserted backwards, otherwise it burn! The sound is warm and charming, the sound field. The sound quality is delicate, soft and graceful, with high clarity and bold taste. The measurement allowed error is +/- 1-3cm. OPA627AU SMD single op amp, exquisite adapter board, fully gold-plated pins. Nobsound 2PCS Discrete Single/Dual Op Amp Hifi Audio Operational Amplifier Op Amp Module Replace Ne5532 Ad827 Opa627 I3609564277 [Usage] Operational amplifier OPA627: adopts field effect tube input mode, suitable for front and rear amplifiers, output buffers, voltage amplifiers, headphone amplifiers, etc. [Appearance] Gold-plated adapter board pins.